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A comment on 1min high-intensity exercise 3x a week improves fitness as much as 3x aerobics. Parent comment

Re:1min high-intensity exercise 3x a week improves fitness a... by strken on Wednesday January 25, 2023 @07:55AM (#34517677)
With zone 2 training, if you're not that fit you might be able to hit the right intensity just walking fast up a slight incline.
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